US11549300B2 - Control device and method for controlling a window lifter with anti-trap protection for a motor vehicle - Google Patents
Control device and method for controlling a window lifter with anti-trap protection for a motor vehicle Download PDFInfo
- Publication number
- US11549300B2 US11549300B2 US17/048,170 US201917048170A US11549300B2 US 11549300 B2 US11549300 B2 US 11549300B2 US 201917048170 A US201917048170 A US 201917048170A US 11549300 B2 US11549300 B2 US 11549300B2
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- US
- United States
- Prior art keywords
- window
- control device
- trap protection
- operating element
- actuated
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/695—Control circuits therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
- B60J1/12—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F2015/487—Fault detection of safety edges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2201/00—Constructional elements; Accessories therefore
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
- E05Y2201/43—Motors
- E05Y2201/434—Electromotors; Details thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/30—Electronic control of motors
- E05Y2400/36—Speed control, detection or monitoring
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/30—Electronic control of motors
- E05Y2400/40—Control units therefore
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/50—Fault detection
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/52—Safety arrangements
- E05Y2400/53—Wing impact prevention or reduction
- E05Y2400/54—Obstruction or resistance detection
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/55—Windows
Definitions
- the invention relates to a control device and to a method for controlling a window lifter with anti-trap protection for a window of a motor vehicle.
- Power-operated window lifters in particular electric window lifters with an electric motor, are installed in current motor vehicles, in particular passenger vehicles, and serve to substantially vertically lift and to lower the window panes of the windows without the operator having to apply the force for moving the window panes (for example by winding).
- the window is generally closed by lifting the window pane and opened by lowering the window pane.
- the window moves for as long in the closing direction as the associated operating element, for example a window lifter operating switch in the inside door of the vehicle or in the center console or an operating element on a radio key, is actuated by the operator, for example is pulled.
- the associated operating element for example a window lifter operating switch in the inside door of the vehicle or in the center console or an operating element on a radio key
- anti-trap protection also referred to as closing force limitation
- the anti-trap protection serves to stop the closing movement and generally also for reversing the window if the force applied by the side window pane on an object in the movement range of the window exceeds a certain limit. It is thereby ensured that people are not injured by being trapped.
- This can be implemented in such a manner that the closing movement stops and the window reverses if, depending on the position of the pane, the drive torque exceeds a predetermined limit.
- the position of the window can be measured at the motor axis via Hall sensors.
- Adequate anti-trap protection cannot be realized in all windows.
- a sufficient closing force limitation frequently cannot be realized, and therefore automatic closing generally has to be dispensed with for said windows.
- the automatic closing mode has to be suppressed for this period of time. For example, when switching the operating element into the second actuation stage (i.e., for example, beyond a pressure point), an automatic closing mode is then suppressed and only a manual closing mode is possible. In this connection, the manual closing mode is then the same with continuous actuation in the first actuation stage and in the second actuation stage.
- Error situations are conceivable (for example a jamming/sticking button) which could lead to a malfunction of a window lifter operating element, in particular window lifter button, such that the window moves in the closing direction without the operator actuating the operating element for closing the window.
- a malfunction of the operating element for example, a defective constant actuating signal could be generated which corresponds to the actuating signal of continuous actuation of the actuating element, and therefore the control unit interprets this defective actuating signal as a closing request and closes the window.
- the closing force limitation were additionally also not effective at all or not sufficiently effective and in addition if a body part were situated in the movement range of the window, a person could at least theoretically, with extremely low probability, be trapped and possibly injured.
- a first aspect of the application relates to a control device for controlling a power-operated window lifter, in particular an electric window lifter with an electric motor, with anti-trap protection for a motor vehicle window, in particular for a side window of a motor vehicle (for example a passenger vehicle).
- the control device is preferably an electronic control device which is located on a control unit (for example a window lifter control unit) or else can be distributed across a plurality of control units (for example window lifter control unit and master control unit).
- the control device preferably operates under software control and can comprise one or more processors which operate via one or more software programs controlled in the manner according to the invention.
- a control device of this type is configured to determine that an operating element for closing the window is actuated, and in response thereto, to move the window in the closing direction, in particular (within the context of a manual closing mode) for as long as the operating element is actuated.
- the operating element is, for example, a window lifter operating element which is arranged as a window lifter operating switch in the inside door of the vehicle or in the center console or on a radio key (or on a touch-sensitive screen of a smartphone provided with an app).
- a convertible in the case of a convertible, it may also be an operating element which serves for closing the top and, for this purpose, typically has to be actuated continuously, for example an operating element arranged in the vehicle in the center console or in the inside door of the vehicle, or an operating element on the radio key (or on a touch-sensitive screen of a smartphone provided with an app).
- the window moves in the closing direction for as long as the associated operating element, for example a window lifter operating switch in the inside door of the vehicle or in the center console, or an operating element on a radio key, is actuated by the operator, for example is pulled.
- the associated operating element for example a window lifter operating switch in the inside door of the vehicle or in the center console, or an operating element on a radio key
- the control device can be connected directly to the operating element.
- the operating element can be connected to a control unit, which is connected between the control device and the operating element, wherein the control device obtains a signal from the control unit indicating the actuation of the operating element when the control unit connected inbetween receives an actuation of the operating element.
- a switch in order to close the window, a switch has to be pulled as far as the pressure point.
- the window closes for as long as the switch is held.
- An automatic closing mode is preferably also present.
- the switch has to be pulled beyond a pressure point such that the window automatically closes.
- the switch has to be, for example, pressed in order to open the window.
- the control device is furthermore configured to determine that the functional activity of the anti-trap protection is not (no longer) guaranteed, and, in the event that it has been determined that the functional activity of the anti-trap protection is not guaranteed, to activate the window lifter in response to the actuation of the operating element in such a manner that the window is moved with a lower movement speed in the closing direction in comparison to the movement speed when the functionality is guaranteed.
- the control unit determines (at some point) by the control unit that the functional activity of the anti-trap protection is not (no longer) guaranteed, for example because it has been identified that the absolute position of the window (generally determined by means of a Hall sensor) is not precisely known because of adverse mechanical or electrical circumstances within the context of what is referred to as denormalization. If this state persists and the operator then actuates the operating element for closing the window, the window will move at a lower movement speed than if the functional activity of the anti-trap protection has no restriction.
- the lower movement speed when the functional activity of the anti-trap protection is not guaranteed is, for example, only 25% or less, in particular only 10% or less, of the movement speed during full functional activity of the anti-trap protection.
- the low movement speed provides a person whose body part (for example arm) is situated in the movement range of the window with more time to remove the body part from the movement range of the window.
- another person who may be in the vehicle has more time to be able to provide assistance.
- the movement speed can be adapted, for example, via the duty factor of a pulse width modulation (PWM) control signal which is preferably used for activating the window lifter.
- PWM pulse width modulation
- the PWM control signal can be used, for example, to influence the drive torque and thus also the movement speed.
- the movement speed is regulated by means of a regulator to a predetermined desired movement speed (or to a variable characteristic thereof, for example the desired rotational speed), thus resulting in a uniform movement.
- a lower value is used for the desired movement speed than when functionality is guaranteed.
- a second aspect of the application also relates to a control device for controlling a power-operated window lifter, in particular an electric window lifter with an electric motor, with anti-trap protection for a motor vehicle window, in particular for a side window of a motor vehicle (for example of a passenger vehicle).
- the control device is preferably an electronic control device which is located on a control unit or else can be distributed across a plurality of control units.
- the control device preferably operates under software control and can comprise one or more processors which operate under control of one or more software programs in a manner according to the invention.
- the control device is configured to determine that an operating element that is to be actuated for closing the window is actuated, for example by it being determined that the operating element switches over from an unactuated state into an actuated state.
- the window lifter is activated in response to the actuation of the operating element (in particular in response to the switching over into an actuated state) in such a manner that the window is moved from the inoperative state in the closing direction, specifically preferably for as long as the actuated operating element remains in the actuated state.
- the control device is configured to determine that the functional activity of the anti-trap protection is not guaranteed, as has already been described above.
- the window lifter is not activated when the operating element is actuated with a single state change of the operating element (in particular not in response to the switching over into an actuated state with a single state change), such that the window is moved from the inoperative state in the closing direction. In this case, the window does not move.
- the control device is configured to determine that the operating element that is to be actuated for closing the window is actuated with a predetermined actuation sequence which has more than one single state change, in particular changes from an unactuated state into an actuated state with a predetermined actuation sequence which has more than one single state change.
- the window lifter is activated in response to the actuation of the operating element with the actuation sequence (in particular in reaction to the change into the actuated state with the predetermined actuation sequence) in such a manner that the window is moved from the inoperative state in the closing direction.
- the necessary actuation sequence has repeated actuation of the operating element, i.e. the operating element has to be actuated more than once, for example at least twice or at least three times. For example, in order to trigger the movement, a double actuation of the operating element is necessary. Between the actuations of the operating element, preferably an unactuated position of the operating element has to be detected as part of the predetermined actuation sequence.
- the repeated actuation in particular the double actuation, takes place in a predetermined period of time.
- the period of time begins, for example, from the end of the first actuation (alternatively: at the beginning of the first actuation), i.e. from the end of the first actuation (alternatively: after the beginning of the actuation) it is checked whether a second actuation takes place in this period of time.
- the predetermined period of time is, for example, within the range of 0.5 s to 5 s, in particular 2 s.
- the window is moved from the inoperative position in the closing direction if the repeated actuation (for example the double actuation) takes place in the predetermined period of time.
- the operating element for closing is actuatable in at least two stages (in particular in precisely two stages) with an actuated state of a first stage and an actuated state of a second stage, typically with a different actuation stroke.
- the actuated state of a first stage is assigned to the manual closing and the actuated state of a second stage is assigned to the automatic closing.
- the actuation sequence preferably requires repeated actuation of the operating element in the same stage, for example a double actuation in the first stage or a double actuation in the second stage.
- the closing force limitation for example manual movement via a single actuation (for example pulling) of an operating element in the first stage or in the second stage is suppressed.
- the operating element has to be actuated more than once within a predetermined short period of time in the same stage in order to permit movement of the window in the closing direction.
- the neutral position of the operating element preferably has to be detected so that the window is actually moved.
- the operating element for closing the window is actuatable at least in two stages with an actuated state of a first stage and an actuated state of a second stage, as has been described above.
- the necessary actuation sequence comprises switching over from the unactuated state into the actuated state of a first stage and switching over from the actuated state of a first stage into the actuated state of a second stage.
- a third aspect of the application relates to a method for controlling a power-operated window lifter with anti-trap protection for a motor vehicle window.
- the method steps correspond to the manner of operation of the control device according to the first aspect of the application.
- the method comprises the following steps:
- a fourth aspect of the application relates to a method for controlling a power-operated window lifter with anti-trap protection for a motor vehicle window.
- the method steps correspond to the functionality of the control device according to the second aspect of the application.
- the method comprises the following steps:
- a fifth aspect of the application relates to a software program containing program code for carrying out the method according to the third or fourth aspect when the software program runs on a software-controlled device, in particular on a control unit with a processor.
- FIG. 1 shows an operating principle of a first exemplary embodiment of a control device according to the invention (according to the first aspect of the application).
- FIG. 2 shows an operating principle of a second exemplary embodiment of a control device according to the invention (according to the second aspect of the application).
- FIG. 3 shows an operating principle of a third exemplary embodiment of a control device according to the invention (according to the second aspect of the application).
- FIG. 4 shows a schematic overview of an exemplary electric window lifter system.
- FIG. 1 the operating principle of a first exemplary embodiment of a control device (for example a window lifter control unit) for controlling an electric window lifter is illustrated in a simplified way in the form of a sequence diagram.
- a control device for example a window lifter control unit
- step 100 it is determined by the control device that the anti-trap protection (actually prescribed for automatic closing) cannot currently be guaranteed, that is to say that the effectiveness of the closing force limitation cannot be guaranteed, for example because the value of the achievable closing force limitation is greater than a prescribed value (for automatic closing) of the closing force limitation or because a closing force limitation is no longer present at all. If the anti-trap protection cannot be guaranteed, in step 120 a reduced value for the desired speed for regulating the speed during manual closing is preset, the value being lower than the preset value of the desired speed when the anti-trap protection is guaranteed (see step 110 ).
- step 130 If, in step 130 , an actuation of the switch that is directed toward (manual) closing of the window (e.g. pulling of the switch in stage 1 instead of pressing for opening the window) is determined, the window is moved incrementally in the closing direction at the respectively set desired speed (see step 140 ) if the end position of a completely closed window is not yet reached. The incremental movement in the closing direction is repeated for as long as the switch continues to be actuated in the closing direction.
- FIG. 2 the operating principle of a second exemplary embodiment of a control device (for example a window lifter control unit) for controlling an electric window lifter is illustrated in a simplified way in the form of a sequence diagram. This involves a control device according to the second aspect of the application.
- a control device for example a window lifter control unit
- step 200 it is determined in step 200 by means of the control device that the anti-trap protection (actually prescribed for automatic closing) cannot be guaranteed. If there is currently no restriction for the anti-trap protection, when the switch is continuously actuated for manual closing (e.g. pulling in stage 1 ), the window is moved in the closing direction for as long as the switch is held and the end position is not yet reached.
- the switch for closing the window is actuatable in two stages with stage 1 (e.g. actuation as far as the pressure point) and stage 2 (e.g. actuation beyond the pressure point)
- the operator can actuate the switch twice in succession in stage 1 or alternatively twice in succession in stage 2 in order, even if the closing force limitation is not guaranteed, to initiate a movement in the closing direction.
- step 250 It is then asked in step 250 whether the operator is also continuing to keep the switch actuated after the multiple actuation (in the case of the switch having two stages: keeping the actuation in the respective stage of the preceding actuation).
- the window is moved further in the closing direction (see step 260 ) for as long as the continuous actuation persists and the end position for the closing operation has not yet been reached.
- FIG. 3 the operating principle of a third exemplary embodiment of a control device (for example a window lifter control unit) for controlling an electric window lifter is illustrated in a simplified way in the form of a sequence diagram.
- the third exemplary embodiment differs from the second exemplary embodiment only in that, when the effectiveness of the closing force limitation is not guaranteed, instead of a multiple actuation of step 230 an actuation sequence of neutral-stage 1 -stage 2 (without neutral between stage 1 and stage 2 ) is necessary as a required prerequisite (see step 230 ′) in order to initiate a movement of the window in the direction of the closing direction.
- Two or three of the measures in the three exemplary embodiments can also be combined in one joint exemplary embodiment. If the control of the window lifter is software-based, no development of new hardware or changing existing hardware is necessary for realizing the above-described measures; they can be realized purely by a software program.
- FIG. 4 shows a schematic overview of an exemplary electric window lifter system.
- a control unit 2 serves for controlling an electric window lifter 1 with an electric motor and one or more Hall sensors for ascertaining the position of the window.
- the position information of the Hall sensor or the Hall sensors and the drive torque of the electric motor are made available to the control unit 2 from the window lifter 1 .
- the closing force limitation is controlled on the basis thereof in the control unit 2 .
- a window lifter switch 3 ′ that is to be actuated is coupled (see dashed line) to the window lifter control unit 2 without a further control unit located inbetween.
- the window lifter control unit 2 directly receives the actuating signal of the window lifter switch 3 ′. Said signal is erroneous if there is an error in the window lifter switch 3 ′.
- control unit 2 directly receives the actuating signal of the window lifter switch 3 ′, that said signal is transmitted to the master control unit 4 for prioritization if there are a plurality of window lifter switches 3 ′ for the same window, and the control unit 2 activates the window lifter only in response to a message from the master control unit 4 in such a manner that the window is moved.
- the window lifter switch 3 ′ as part of a global control panel 3 (with a multiplicity of operating elements) for the door can be connected to a master control unit 4 via a vehicle bus.
- a corresponding signal is sent from the master control unit 4 to the window lifter control unit 2 to close the door.
- This signal implicitly indicates that the switch has been actuated. This signal is erroneous when there is an error in the window lifter switch.
- a computer product including a non-transitory computer readable medium having stored thereon program code that, when executed on one or more processors, may carry out any of the disclosed methods in accordance with the present subject matter.
Abstract
Description
-
- determining that the functional activity of the anti-trap protection is not guaranteed; and
- in the event that it has been determined that the functional activity of the anti-trap protection is not guaranteed, activating the window lifter, when the operating element is actuated, in such a manner that the window is moved at a lower movement speed in the closing direction in comparison to the movement speed when the functionality is guaranteed.
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- determining that the functional activity of the anti-trap protection is not guaranteed;
- determining that the operating element that is to be actuated for closing the window is actuated with a predetermined actuation sequence which has more than one single state change of the operating element;
- in the event that it has been determined that the functional activity of the anti-trap protection is not guaranteed,
- not activating the window lifter in response to an actuation of the operating element with a single state change of the operating element in such a manner that the window is moved from the inoperative state in the closing direction, and
- activating the window lifter in response to an actuation of the operating element with the predetermined actuation sequence in such a manner that the window is moved from the inoperative state in the closing direction.
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102018206935.2 | 2018-05-04 | ||
DE102018206935.2A DE102018206935B4 (en) | 2018-05-04 | 2018-05-04 | Control device and method for controlling a window lifter with anti-trap protection for a motor vehicle, and software for carrying out the method |
PCT/EP2019/059631 WO2019211086A1 (en) | 2018-05-04 | 2019-04-15 | Control device and method for controlling a window lifter with anti-trap protection for a motor vehicle |
Publications (2)
Publication Number | Publication Date |
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US20210164280A1 US20210164280A1 (en) | 2021-06-03 |
US11549300B2 true US11549300B2 (en) | 2023-01-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17/048,170 Active 2039-06-03 US11549300B2 (en) | 2018-05-04 | 2019-04-15 | Control device and method for controlling a window lifter with anti-trap protection for a motor vehicle |
Country Status (4)
Country | Link |
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US (1) | US11549300B2 (en) |
CN (1) | CN112041529B (en) |
DE (1) | DE102018206935B4 (en) |
WO (1) | WO2019211086A1 (en) |
Families Citing this family (1)
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DE102018126830A1 (en) * | 2018-10-26 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Device and control unit for automating a change in state of a window pane of a vehicle |
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WO2019211086A1 (en) | 2019-11-07 |
DE102018206935B4 (en) | 2022-02-24 |
CN112041529B (en) | 2022-08-02 |
DE102018206935A1 (en) | 2019-11-07 |
CN112041529A (en) | 2020-12-04 |
US20210164280A1 (en) | 2021-06-03 |
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